Set the fax speed
You can set the fax speed used to communicate between your printer and other fax
machines when sending and receiving faxes.
If you use one of the following, setting the fax speed to a slower speed might be
An Internet phone service
A PBX system
Fax over Internet Protocol (FoIP)
An integrated services digital network (ISDN) service
If you experience problems sending and receiving faxes, try using a lower Fax Speed.
The following table provides the available fax speed settings.
Fax speed setting
v.34 (33600 baud)
v.17 (14400 baud)
v.29 (9600 baud)
To set the fax speed
Touch (right arrow), and then touch Setup.
Touch Fax Setup, and then touch Advanced Fax Setup.
Touch Fax Speed.
Touch to select an option.